v3.26.1
DISCONTINUED OPERATIONS - Summary of Income statement information (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Other income (expense):      
Income (loss) before tax from discontinued operations $ 44,127 $ (35,443) $ (154,644)
Provision for (benefit from) income taxes 13,264 256 (42,880)
Defense Electronics Segment | Discontinued Operations, Held-for-sale      
Disposal Group, Including Discontinued Operations [Line Items]      
Revenue 724,542 767,535 813,955
Gross profit 514,637 620,000 745,851
Gross profit 209,905 147,535 68,104
Selling, general and administrative expenses 177,493 185,476 195,937
Goodwill and intangible asset impairments 0 0 29,200
Total operating expenses 177,493 185,476 225,137
Income (loss) from operations 32,412 (37,941) (157,033)
Other income (expense):      
Interest (expense) income, net 1,231 1,781 (511)
Gain on sale of real estate 8,279 (61) 1,802
Other, net 2,205 778 1,098
Total other income (expense) 11,715 2,498 2,389
Income (loss) before tax from discontinued operations 44,127 (35,443) (154,644)
Provision for (benefit from) income taxes 13,264 256 (42,880)
Income (loss) from discontinued operations $ 30,863 $ (35,699) $ (111,764)